I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
reuniter renter reenter reinter rentier runtier ranter render randier reentry rounder reindeer renature
niter uniter reuniter counter haunter fainter reenter painter jauntier entera vaunter santera winter mintier mounter lientery paintier keynoter enter pointier chunter knitter wanter randier hunter renter genitor bunter chanter lintier center saunter snider dandier dinitro tenter tinter monitor canter nitre daunter punter janitor bendier quainter jointer nitery nitro venter banter noter hinter ranter reinter minter gaunter windier minuter linter handier pointer tentier taunter daintier cointer sinter montero sandier runtier rentier inter wintery chaunter santero shunter